Q: I have a 2010 ford mustang v6 4.0 and got engine code p0172. Just want to know what the issue is?

asked by on June 29, 2017

On my 2010 ford mustang v6 4.0l i have aftermarket header and exhaust. I got engine code p0172. Would like to know what could cause this

My car has 69000 miles.
My car has an automatic transmission.

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